Aggressive birds can attack people
Cassowaries are one of the world's largest birds, and they look like they're from another geological era. They're as tall as humans, have shiny black feathers and piercing eyes, walk on two legs, weigh up to 140 pounds, and have a long, sharp claw on each foot.
"Cassowaries have a very primitive look to them. They look like living dinosaurs," says Andrew Mack, who has spent five years studying cassowaries in the wild in Papua New Guinea. Cassowaries are flightless. They're considered the world'...
